3 Disassembly/Assembly Procedures and Parts List
94 Keysight 3458A Assembly-Level Repair Manual
Figure 3-17 Top trim and front/rear pushrod locations, and unlock panel
b Locate the gray 26-pin cable that connects the Outguard Power Supply
assembly to the Display assembly. Unplug this cable at the Outguard
Power Supply assembly.
c Locate and pull the Guard switch pushrod off the Guard switch. You may
need to pry the pushrod loose with a small screwdriver. Then remove the
pushrod by pulling it out of the front panel from the rear.
4 Set the 3458A on your workbench with the top facing you.